27984400

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1627}}^1$

素因数の和:1688

約数の個数: 60

約数和(自身を含む): 68838352

約数和(自身を除く): 40853952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 172, 200, 215, 344, 400, 430, 688, 860, 1075, 1627, 1720, 2150, 3254, 3440, 4300, 6508, 8135, 8600, 13016, 16270, 17200, 26032, 32540, 40675, 65080, 69961, 81350, 130160, 139922, 162700, 279844, 325400, 349805, 559688, 650800, 699610, 1119376, 1399220, 1749025, 2798440, 3498050, 5596880, 6996100, 13992200, 27984400]

約数ペア:

[(1, 27984400), (2, 13992200), (4, 6996100), (5, 5596880), (8, 3498050), (10, 2798440), (16, 1749025), (20, 1399220), (25, 1119376), (40, 699610), (43, 650800), (50, 559688), (80, 349805), (86, 325400), (100, 279844), (172, 162700), (200, 139922), (215, 130160), (344, 81350), (400, 69961), (430, 65080), (688, 40675), (860, 32540), (1075, 26032), (1627, 17200), (1720, 16270), (2150, 13016), (3254, 8600), (3440, 8135), (4300, 6508)]